A fire at an electrical substation near London's Heathrow Airport on Friday ... There are 21 flights from Heathrow to JFK every day except Sunday, when 20 are scheduled. Twenty-three flights ...

Authorities said it wasn't clear what caused the substation fire, but London's Metropolitan Police said there was "currently no indication of foul play." At JFK, people have been stranded all day.

In New York, JFK operates about 20 direct flights to Heathrow ... No injuries were reported. Residents in west London described hearing a large explosion, followed by a fireball and clouds of ...